Enhancement of energy efficiency in a paint curing oven via CFD approach: Case study in an air-conditioning plant

Niamsuwan, Sathit; Kittisupakorn, Paisan; Suwatthikul, Ajaree

doi:10.1016/j.apenergy.2015.07.041

Cited by 14 publications

(3 citation statements)

References 19 publications

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“…Otomotiv montaj prosesinde, doğalgaz tüketiminin yaklaşık %70'i, elektrik tüketiminin ise yaklaşık %50'si boyama prosesinde gerçekleşmektedir. Boyama fırınlarında enerji verimliliğin arttırılması için CFD ile ısı değiştiriclerin modellenmesi ve giriş çıkış akım sıcaklık ve akış düzlemlerinin incelenmesi gibi yaklaşımlar ile tasarımın geliştirilmesi amaçlanmaktadır [15,16].…”

Section: Boya Fırınları (Paint Drying Ovens)unclassified

Bir otomobil montaj işletmesinde enerji verimliliği artırıcı çözümlerin irdelenmesi

Kılıç

Eyidoğan

Sapmaz

2018

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım Ve Teknoloji

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Bu çalışmada, bir otomobil montaj tesisinin (Gövde (BiW) üretimi, boyama işlemi, şase ve aksesuar montaj işlemleri) enerji tüketimleri incelenmiştir. İmalat sürecinde enerjinin yoğun kullanıldığı alanlar tespit edilmiştir. Tesis genelinde, enerji tüketilen sistemlerde (boyahane, kurutma fırınları, basınçlı hava, ısıtma ve soğutma sistemleri) verimliliğin artırılması için yapılabilecek çalışmalar ve otomobil montaj tesisinde kullanılan teknolojilerin enerji verimliliğine etkisi incelenmiştir. Tesiste gerçekleşen enerji tüketiminin büyük kısmı boyahanede gerçekleşmektedir. İncelenen tesiste kullanılan elektrik enerjisinin yaklaşık %50'si ve doğalgazın yaklaşık %70'i boyahanede tüketilmektedir. İncelenen tesis, 200.000 araç/yıl üretim kapasitesine sahip haftada 6 gün ve günde 3 vardiya çalışmaktadır. Tesiste, araç başına özgül enerji tüketimi (SET) elektrik enerjisi için (SET e ) 275 kWh, doğalgaz için (SET dg ) 578 kWh olmak üzere toplamda 853 kWh olarak hesaplanmıştır. Yapılan incelemeler sonucunda tespit edilen tasarruf potansiyelleri hayata geçirildiğinde tesisin özgül enerji tüketimi elektrik enerjisi için %1 ve ısıl enerji için %5,7 azalma sağlanacaktır.

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Section: Boya Fırınları (Paint Drying Ovens)unclassified

Bir otomobil montaj işletmesinde enerji verimliliği artırıcı çözümlerin irdelenmesi

Kılıç

Eyidoğan

Sapmaz

2018

Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım Ve Teknoloji

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“…This will not only mobilize the enterprises to actively reduce emissions but also effectively solve the contradiction between carbon emission reduction and economic development. In practice, since energy saving and emissions reduction incentives are supported by government financial expenditures, the design of appropriate subsidy measures becomes particularly crucial [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Can energy saving and emission reduction policies promote green transformation of industrial enterprises——The Case of China

Li,

Wang,

et al. 2024

PLoS ONE

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In the context of the continued advancement of the green economy transition, the proactive pursuit of carbon emissions reduction and the early attainment of carbon neutrality goals have emerged as essential components in promoting high-quality economic development. Not only does it contribute to the creation of a community of human destiny, but it is also vital to the realization of sustainable development for human civilization. A dynamic evolutionary game model, which encompasses the interactions among government, enterprises, and the public, was constructed to examine the inherent impact mechanisms of the behavior of three players on the development of a green economy under the context of energy saving and emission reduction subsidies. The results showed that the incentive and punishment mechanisms served as effective tools for harmonizing the interests of system members. Within the mechanisms, the public demonstrated a higher sensitivity to rewards, while enterprises exhibited greater responsiveness to fines. Consequently, the government could influence the behavior of enterprises by incentivizing the public to serve as a third-party inquiry and oversight body. Simultaneously, the government could encourage enterprises to expedite green technology innovation by employing a combination of incentive and punishment mechanisms.

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“…Figure 1 b, c illustrate the mechanical and natural ventilation equipment for factories. Some studies conducted numerical analysis to discuss the distribution of air flow and temperature field (Ramponi and Blocken 2012 ; Niamsuwan et al 2015 ). When a fire happens, the stack effect would be generated in tall factories.…”

Section: Introductionmentioning

confidence: 99%

Visualization of hot flows of tall space fires in model experiments with Schlieren Photography technique

Wang

Shih

et al. 2016

SpringerPlus

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The natural smoke exhaust system for tall spaces is more advantageous than the mechanical type of exhaust. In Taiwan, the effectiveness of natural smoke exhaust systems is inspected only by checking the vent area size. However, the air flow field in a tall space is very complicated, both at ordinary times or during fires. This study used Schlieren Photography technique, on the principle that light rays are refracted when penetrating materials of different densities, to test and simulate the dynamic measurement of hot air in tall space model. A single-mirror Schlieren system, including an 838 mm (H) × 736 mm (W) square concave mirror, as well as the focal length of 3100 mm was adopted. The experimental process of six smokeless candles were used for 1/12.5 model experiment to record the dynamic distribution and accumulation of air flow in the abovementioned space. FDS software was used to simulate various fire scenarios. The different locations of openings in some cases were studied with the maximum temperature scales of 40 and 45 °C, separately. The simulation results and experimental images showed highly similar hot air flow patterns. Schlieren Photography was proved capable of recording and visualizing the dynamic flow of hot air immediately, directly and accurately.

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Enhancement of energy efficiency in a paint curing oven via CFD approach: Case study in an air-conditioning plant

Cited by 14 publications

References 19 publications

Bir otomobil montaj işletmesinde enerji verimliliği artırıcı çözümlerin irdelenmesi

Bir otomobil montaj işletmesinde enerji verimliliği artırıcı çözümlerin irdelenmesi

Can energy saving and emission reduction policies promote green transformation of industrial enterprises——The Case of China

Visualization of hot flows of tall space fires in model experiments with Schlieren Photography technique

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